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https://issues.apache.org/jira/browse/YARN-9679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16888085#comment-16888085
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Adam Antal commented on YARN-9679:
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Cleaned up the code according to your items except item 8: I argue that using
spies is not ok, also I couldn't think of a nice alternative to that.
Added the newer assertj packages for the assertions, also made some extra
checkstyle fixes, and removed the duplicate {{Configuration}} object for this
test (as using its superclass's is satisfactory).
Anything else one can think of? You can see the PR
[here|https://github.com/apache/hadoop/pull/1122] - please review if you have
time.
> Regular code cleanup in TestResourcePluginManager
> -------------------------------------------------
>
> Key: YARN-9679
> URL: https://issues.apache.org/jira/browse/YARN-9679
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Szilard Nemeth
> Assignee: Adam Antal
> Priority: Major
> Labels: newbie
>
> There are several things could be cleaned up in this class:
> 1. stubResourcePluginmanager should be private.
> 2. In tearDown, the result of dest.delete() should be checked
> 3. In class CustomizedResourceHandler, there are several methods where
> exceptions decalarations are unnecessary.
> 4. Class MyMockNM should be renamed to some more meaningful name.
> 5. There are some danling javadoc comments, for example:
> {code:java}
> /*
> * Make sure ResourcePluginManager is initialized during NM start up.
> */
> {code}
> 6. There are some exceptions unnecessarily declared on test methods but they
> are never thrown, an example:
> testLinuxContainerExecutorWithResourcePluginsEnabled
> 7. Assert.assertTrue(false); expressions should be replaced with Assert.fail()
> 8. A handful of usages of Mockito's spy method. This method is not preferred
> so we should think about replacing it with mocks, somehow.
> The rest can be figured out by whoever takes this jira :)
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